*SUPPORT*
IN: dax lug OUT: BLUE BLUE BLUE BLUE BLUE
IN: zup gazzer zup OUT: RED RED
IN: dax tufa kiki OUT: BLUE PURPLE PURPLE
IN: dax zup gazzer wif OUT: BLUE PINK RED
IN: zup gazzer tufa OUT: PURPLE RED
IN: dax OUT: BLUE
IN: tufa lug OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: zup wif gazzer dax OUT: RED BLUE PINK
IN: wif kiki OUT: PINK PINK
IN: dax gazzer wif OUT: PINK BLUE
IN: dax kiki OUT: BLUE BLUE
IN: wif zup wif kiki OUT: PINK RED PINK PINK
IN: wif gazzer tufa OUT: PURPLE PINK
IN: dax zup kiki OUT: BLUE RED RED

*QUERY*
IN: zup wif wif tufa gazzer dax OUT: RED PINK PINK BLUE PURPLE
IN: dax gazzer tufa OUT: PURPLE BLUE
IN: wif OUT: PINK
IN: tufa kiki OUT: PURPLE PURPLE
IN: zup OUT: RED
IN: zup kiki OUT: RED RED
IN: tufa gazzer zup OUT: RED PURPLE
IN: tufa gazzer tufa OUT: PURPLE PURPLE
IN: dax zup gazzer tufa OUT: BLUE PURPLE RED
IN: wif gazzer zup OUT: RED PINK

*GRAMMAR*
zup -> RED 
 tufa -> PURPLE 
 wif -> PINK 
 dax -> BLUE 
 u1 kiki -> [u1] [u1] 
 u1 gazzer u2 -> [u2] [u1] 
 x1 lug -> [x1] [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 